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Birthday Cards for Sister

Browse our collection of birthday cards for sisters! What relationship in your life is more special than the one you share with your sister? No matter what stage of life you are both in, whether she is older, younger or even a twin, we have the perfect card to express your heartfelt birthday wishes. Our birthday cards for sisters cover the gamut from sweet and sentimental to funny and sarcastic.

We offer cards for milestone birthdays, pretty cards, sentimental cards, trendy cards, humorous cards and cards that can be customized to say just what you want. You can even add a picture to make your card truly one-of-a-kind. Don't settle for another generic card off the rack, create a personalized card that she'll cherish as a keepsake for years to come! Once you find the perfect birthday card for your sister, we'll print and mail it the next day!
Birthday Cards for Sister

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Shopper Testimonials
“The Bearded Collie Thanksgiving Card is adorable. Looks exactly like my dog. Extremely happy with it and with the service and fast delivery. This will be the place I come to order cards.”
Paula - Oct 30th, 2026
“I love every card I order from Greeting Card Universe! Why? Because you can find a card for everything you may need. I first discovered them in 2016 when I needed a card for my daughter's PHD graduation. I was able to design one with her actual picture. All her friends asked where I had gotten it! I have ordered since then! Quality is EXCELLENT! You can personalize anything! I even sent a thank you to one of my doctors who went above and beyond! He was so surprised he showed it to everyone on his staff! Great company!”
Elvira - Nov 1st, 2026
Cards per Page:
Cards: 4,835 Pages: 162
Most Popular Newest Show adult cards
Sister 12th Birthday Happy Birthday with Pretty Fa…
Little Sister 9th Birthday Young Girl in Balloons …
Sister Birthday Happy Birthday with Pretty Fairy a…
Little Sister 8th Birthday Young Girl in Balloons …
Big Sister 7th Birthday Young Girl in Balloons car…
Big Sister 8th Birthday Young Girl in Balloons car…
Sister 32nd Birthday Blue Crescent Moon and Stars …
Sister Happy Birthday Whimsical and Colorful Beehi…
Tulips and Bubbles Birthday for Sister card
Sister 38th Birthday Blue Crescent Moon and Stars …
Sister 10th Birthday Glittery Effect Butterflies a…
Birthday Flowers to Sister card
To a great sister, happy birthday, cake & candle c…
For Sister on Birthday Terrace of Manor House Gard…
To my sister, some flowers for your birthday, folk…
Sister 10th Birthday with Crown and Gold Look Dots…
Sister 18th Birthday with Crown and Gold Look Dots…
For Sister on Birthday Watercolor Yellow Parrot Tu…
For Sister on Birthday Lake Buttermere Cumbria Eng…
For Sister on Birthday Staithes England Watercolor…
Happy birthday sis stars stripes green pink card
92nd Birthday for Sister, Pearls and Petals card
Sister, interlocking rectangles with an elegant sw…
94th Birthday for Sister, Pearls and Petals card
Sister Age 2 Teddy Bear card
Little Sister Pink Gold Glitter Effect 9th Birthda…
Sister Age 5 Teddy Bear card
Twin Sister Happy Birthday Card
45th birthday for sister, with a stitched flower c…
25th birthday for sister, with a stitched flower c…
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